J Korean Acad Oral Health.  2017 Dec;41(4):250-254. 10.11149/jkaoh.2017.41.4.250.

A comparative analysis of micro-organism colonization of tooth-brushes in a public bath based on the storage technique

Affiliations
  • 1Department of Biomedical Health Science, Graduate School, Dong-Eui University, Busan, Korea.
  • 2Department of Preventive & Community Dentistry, Pusan National University, Yangsan, Korea.
  • 3Department of Dental Hygiene, College of Nursing, Healthcare Sciences & Human Ecology, Dong-Eui University, Busan, Korea. yamako93@deu.ac.kr

Abstract

OBJECTIVES: Bacterial colonization on toothbrushes can cause stomatitis and other oral diseases such as dental caries and periodontitis. In this study we tested 18 toothbrushes, of which six were left exposedto the air, six were stored in a plastic bag, and six in a toothbrush case.
METHODS
ATP (RLU: relatively light unit) values measured by ATP Luminometer were compared with APC (CFU: colony forming unit) by swabbing culture method using 3Mâ„¢ petrifilmâ„¢ aerobic count plates.
RESULTS
Swabs from toothbrushes left exposed in the air developed an average of 651.67±261.94 CFU, while the “In plastic bag” and the “In toothbrush case” specimens developed 593.17±354.33 and 120.83±68.87 CFU, respectively.
CONCLUSION
The best option is to rinse the toothbrush well with water and to keep them dry in a well-ventilated area in order to reduce the growth of bacteria in a public bath.

Keyword

ATP bioluminescence; Micro-organism; Public bath; Toothbrush
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